Inspiring Questions from the Sea of Examinations(题海拾贝)

• 作 者: 孙天霞
• 机 构: 陕西省西安市长安区教育局教研室,
• 出 处: 中学数学教学参考
• 发表日期: 2006年16期
• 关键词: Questions factory store television customer normally suppose triangle selling in

1 A store buys televisions from a factory for$87.89 each.The store normally sells one of thesetelevisions for 225 percent of the factory cost,but astore coupon(优惠券)gives 25 percent off this sellingprice.Without tax,how much does a customer(顾客)with this coupon pay for the television?商店从厂家购进电视机每台$87.89,通常每台电视机的售出价是购进价的225%,但使用优惠券可以优惠25%,请问使用优惠券的顾客买一台电视需要

1 A store buys televisions from a factory for $ 87.89 each. The store normally sells one of thesetelevisions for 225 percent of the factory cost, but astore coupon (discount coupon) gives 25 percent off this sellingprice.Without tax, how much does a customer ( Customers buy a TV at a price of $ 87.89 per unit, usually selling 225% of purchase price per unit, but can use the coupon for 25% discount. Voucher customers need to buy a TV